Nitrous oxide emissions in metric tons generated by chemical industry in Canada

Period	Nitrous oxide emissions by chemical industry	Change
2022	799	+31
2021	768	+92
2020	676	-218
2019	894	-62
2018	956	+96
2017	860	-60
2016	920	+124
2015	796	+41
2014	755	-325
2013	1,080	-160
2012	1,240	-390
2011	1,630	-10
2010	1,640	-2,050
2009	3,690	-6,710
2008	10,400	+1,900
2007	8,500	+580
2006	7,920	-4,680
2005	12,600	-1,400
2004	14,000	+6,370
2003	7,630	-510
2002	8,140	+1,360
2001	6,780	-140
2000	6,920	-2,540
1999	9,460	-10,240
1998	19,700	-15,700
1997	35,400	-5,200
1996	40,600	+2,700
1995	37,900	-600
1994	38,500	+5,800
1993	32,700	-2,900
1992	35,600	-100
1991	35,700	-2,200
1990	37,900	+1,800
1989	36,100	+11,200
1988	24,900	+1,900
1987	23,000	+5,200
1986	17,800	-8,900
1985	26,700	-16,000
1984	42,700	-5,000
1983	47,700	+22,600
1982	25,100	+300
1981	24,800	-6,500
1980	31,300	-6,500
1979	37,800	-4,500
1978	42,300	+7,500
1977	34,800	+8,400
1976	26,400	+3,600
1975	22,800	-9,000
1974	31,800	+3,500
1973	28,300	+7,100
1972	21,200	+1,000
1971	20,200	+600
1970	19,600	-100
1969	19,700	+1,000
1968	18,700	+1,100
1967	17,600	+1,200
1966	16,400	+1,200
1965	15,200	+1,100
1964	14,100	+1,200
1963	12,900	+1,100
1962	11,800	+1,100
1961	10,700	+970
1960	9,730	+1,030
1959	8,700	+1,090
1958	7,610	+1,130
1957	6,480	+1,130
1956	5,350	+1,070
1955	4,280	+990
1954	3,290	+860
1953	2,430	+690
1952	1,740	+480
1951	1,260	+240
1950	1,020	+87
1949	933	+72
1948	861	+59
1947	802	+50
1946	752	+42
1945	710	+38
1944	672	+36
1943	636	+37
1942	599	+40
1941	559	+47
1940	512	+56
1939	456	+63
1938	393	+67
1937	326	+68
1936	258	+66
1935	192	+61
1934	131	+53
1933	78	+42
1932	37	+27
1931	10	+10
1930	0	0
1929	0	0
1928	0	0
1927	0	0
1926	0	0
1925	0	0
1924	0	0
1923	0	0
1922	0	0
1921	0	0
1920	0	0
1919	0	0
1918	0	0
1917	0	0
1916	0	0
1915	0	0
1914	0	0
1913	0	0
1912	0	0
1911	0	0
1910	0	0
1909	0	0
1908	0	0
1907	0	0
1906	0	0
1905	0	0
1904	0	0
1903	0